25920741

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{101}}^2$

素因数の和:234

約数の個数: 36

約数和(自身を含む): 43849568

約数和(自身を除く): 17928827

約数列:

[1, 3, 7, 11, 21, 33, 77, 101, 121, 231, 303, 363, 707, 847, 1111, 2121, 2541, 3333, 7777, 10201, 12221, 23331, 30603, 36663, 71407, 85547, 112211, 214221, 256641, 336633, 785477, 1234321, 2356431, 3702963, 8640247, 25920741]

約数ペア:

[(1, 25920741), (3, 8640247), (7, 3702963), (11, 2356431), (21, 1234321), (33, 785477), (77, 336633), (101, 256641), (121, 214221), (231, 112211), (303, 85547), (363, 71407), (707, 36663), (847, 30603), (1111, 23331), (2121, 12221), (2541, 10201), (3333, 7777)]